Hydrography Event Management Tool Factsheet
This factsheet goes over the background, key features, and resources available for the Hydrography Event Management (HEM) Tool.
An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
This factsheet goes over the background, key features, and resources available for the Hydrography Event Management (HEM) Tool.